20682944

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:337

約数の個数: 56

約数和(自身を含む): 43982640

約数和(自身を除く): 23299696

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 73, 76, 146, 152, 233, 292, 304, 466, 584, 608, 932, 1168, 1216, 1387, 1864, 2336, 2774, 3728, 4427, 4672, 5548, 7456, 8854, 11096, 14912, 17009, 17708, 22192, 34018, 35416, 44384, 68036, 70832, 88768, 136072, 141664, 272144, 283328, 323171, 544288, 646342, 1088576, 1292684, 2585368, 5170736, 10341472, 20682944]

約数ペア:

[(1, 20682944), (2, 10341472), (4, 5170736), (8, 2585368), (16, 1292684), (19, 1088576), (32, 646342), (38, 544288), (64, 323171), (73, 283328), (76, 272144), (146, 141664), (152, 136072), (233, 88768), (292, 70832), (304, 68036), (466, 44384), (584, 35416), (608, 34018), (932, 22192), (1168, 17708), (1216, 17009), (1387, 14912), (1864, 11096), (2336, 8854), (2774, 7456), (3728, 5548), (4427, 4672)]